[填空题]
A person exerts a for wl.y(m-p(*w aa,.bv spn lod,ce of 55 N los5(w;gp 5en on the end of a door 74 cm wide. What is the magnitude of the torque if the force isl5ns (weg ;5op exerted (a) perpendicular to the door $m \cdot N$ (b) at a 45 $^{\circ} $ angle to the face of the door? $m \cdot N$
Post time 2025-2-18 20:00:22
